[gnome-shell] Fix 'redeclaration of global' error in lookingGlass.js.

[Siegfried-Angel Gevatter Pujals <sgevatter src gnome org>]

commit e84e842c1e6e9d35b0f5c2e915a11c32da707d60
Author: Siegfried-Angel Gevatter Pujals <rainct ubuntu com>
Date:   Tue Aug 4 02:36:53 2009 +0200

    Fix 'redeclaration of global' error in lookingGlass.js.

 js/ui/lookingGlass.js |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/lookingGlass.js b/js/ui/lookingGlass.js
index 337a519..085076a 100644
--- a/js/ui/lookingGlass.js
+++ b/js/ui/lookingGlass.js
@@ -175,7 +175,7 @@ LookingGlass.prototype = {
         let global = Shell.Global.get();
 
         this._idleHistorySaveId = 0;
-        let historyPath = Shell.Global.get().configdir + "/lookingglass-history.txt";
+        let historyPath = global.configdir + "/lookingglass-history.txt";
         this._historyFile = Gio.file_new_for_path(historyPath);
         this._savedText = null;
         this._historyNavIndex = -1;
@@ -241,7 +241,6 @@ LookingGlass.prototype = {
                 this._hierarchy.setTarget(target);
                 eventHandler.destroy();
                 this.actor.show();
-                let global = Shell.Global.get();
                 global.stage.set_key_focus(this._entry);
                 return true;
             }));